Mental Flosshttp://mentalfloss.com/node/31846/atom.xml2015-03-03T20:25:14+00:00http://mentalfloss.com/article/31846/question-group-how-do-free-conference-call-companies-make-money2012-12-10T18:15:55+00:002012-12-10T18:15:55+00:00Question for the Group: How Do Free Conference Call Companies Make Money?Jason

I'm on a conference call and curious, but it would be rude to do the research. (Posting this of course is not at all rude.)